油藏物理学一一岩石粒度组成与比面 the particle size,cement content,the arrangement of particles and particle shape effect on specific surface. exp:if rock of 1 m3 is composed of sand of 1mm,the surface area is 24×104m2/mthe particle size, cement content, the arrangement of particles and particle shape effect on specific surface. exp: if rock of 1 m3 is composed of sand of 1mm，the surface area is 4 2 3 2410 m / m 油藏物理学——岩石粒度组成与比面